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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.camel.component.sql;

import java.util.HashMap;
import java.util.Map;

import javax.sql.DataSource;

import org.apache.camel.spi.BeanIntrospection;
import org.springframework.jdbc.datasource.AbstractDriverBasedDataSource;

public class SqlServiceLocationHelper {

    public static String getJDBCURLFromDataSource(BeanIntrospection bi, DataSource ds) {
        if (ds == null) {
            return null;
        }
        if (ds instanceof AbstractDriverBasedDataSource ads) {
            return ads.getUrl();
        }

        Map props = new HashMap<>();
        bi.getProperties(ds, props, null, false);
        Object url = props.get("url");
        if (url == null) {
            url = props.get("jdbcUrl");
        }
        if (url != null) {
            return url.toString();
        } else {
            // nested which can be wrapped in connection pooling
            DataSource ncf = (DataSource) props.get("dataSource");
            if (ncf != null) {
                return getJDBCURLFromDataSource(bi, ncf);
            }
        }
        return null;
    }

    public static String getUsernameFromConnectionFactory(BeanIntrospection bi, DataSource ds) {
        if (ds == null) {
            return null;
        }

        if (ds instanceof AbstractDriverBasedDataSource ads) {
            return ads.getUsername();
        }

        Map props = new HashMap<>();
        bi.getProperties(ds, props, null, false);
        Object user = props.get("user");
        if (user == null) {
            user = props.get("username");
        }
        if (user == null) {
            user = props.get("userName");
        }
        if (user != null) {
            return user.toString();
        } else {
            // nested which can be wrapped in connection pooling
            DataSource ncf = (DataSource) props.get("dataSource");
            if (ncf != null) {
                return getUsernameFromConnectionFactory(bi, ncf);
            }
        }
        return null;
    }

}